Home / 479,740.08-720,467.82-460,453.74

Finding the Fourth Proportional to 479,740.08, 720,467.82 and 460,453.74

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Solution

The fourth proportional to 479,740.08, 720,467.82 and 460,453.74 is: 691,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,740.08 : 720,467.82 = 460,453.74 : x
  2. Step 2: Convert to fraction form
    479,740.08/720,467.82 = 460,453.74/x
  3. Step 3: Cross multiply
    479,740.08x = 720,467.82 × 460,453.74
  4. Step 4: Simplify right side
    479,740.08x = 331,742,102,268.65
  5. Step 5: Solve for x
    x = 331,742,102,268.65/479,740.08
  6. Step 6: Final answer
    x = 691,503.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.